package offer;

/**
 * @Author Elephas
 * @Date 2022/1/14
 **/
public class TreeNode {
    public int val;
    public TreeNode left;
    public TreeNode right;
    TreeNode(int x){
        val = x;
    }
    TreeNode(int x,TreeNode left,TreeNode right){
        this.val = x;
        this.left = left;
        this.right = right;
    }
}
